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  Relay board wiring error?
Posted by: Elgatoguiri - 01-22-2026, 02:58 PM - Forum: KC868-A series and Uair Smart Controller - Replies (3)

Hi,
I've wired the controller up with a relay board but it acts a bit strange.
All the MOSFET LEDs are on at all the time.

The relay board uses 3 pins for power options. It is set to VCC JD-VCC. 

The relays work when controlled from homeassistant through esphome with a little quirk. When homeassistant switches are off the relays turn on. So it works the opposite way.

The relay board gets its own power and ground.

Are the LEDs supposed to be on at all the time when a relay board is used ?

Is the opposite switching direction a configuration error or I wired something up incorrectly?

This is my esphome config for the board:

Code:
uart:
  - id: rs485
    tx_pin: GPIO13
    rx_pin: GPIO16
    baud_rate: 9600

remote_receiver:
  pin:
    number: GPIO2
    ignore_strapping_warning: true

remote_transmitter:
  pin:
    number: GPIO15
    ignore_strapping_warning: true
  carrier_duty_percent: 100%

i2c:
  sda: GPIO4
  scl:
    number: GPIO5
    ignore_strapping_warning: true

pcf8574:
  - id: inputs_1_8
    address: 0x22
    pcf8575: false
  - id: inputs_9_16
    address: 0x21
    pcf8575: false
  - id: outputs_1_8
    address: 0x24
    pcf8575: false
  - id: outputs_9_16
    address: 0x25
    pcf8575: false

binary_sensor:
  - platform: gpio
    name: "KC868-A16-HT1"
    pin:
      number: GPIO32
      inverted: true

  - platform: gpio
    name: "KC868-A16-HT2"
    pin:
      number: GPIO33
      inverted: true

  - platform: gpio
    name: "KC868-A16-HT3"
    pin:
      number: GPIO14
      inverted: true

  - platform: gpio
    name: "KC868-A16-X01"
    pin:
      pcf8574: inputs_1_8
      number: 0
      mode: INPUT
      inverted: true
    on_press:
      then:
        - switch.turn_on: out_y01
    on_release:
      then:
        - switch.turn_off: out_y01

  - platform: gpio
    name: "KC868-A16-X02"
    pin:
      pcf8574: inputs_1_8
      number: 1
      mode: INPUT
      inverted: true
    on_press:
      then:
        - switch.turn_on: out_y02
    on_release:
      then:
        - switch.turn_off: out_y02

  - platform: gpio
    name: "KC868-A16-X03"
    pin:
      pcf8574: inputs_1_8
      number: 2
      mode: INPUT
      inverted: true
    on_press:
      then:
        - switch.turn_on: out_y03
    on_release:
      then:
        - switch.turn_off: out_y03

  - platform: gpio
    name: "KC868-A16-X04"
    pin:
      pcf8574: inputs_1_8
      number: 3
      mode: INPUT
      inverted: true
    on_press:
      then:
        - switch.turn_on: out_y04
    on_release:
      then:
        - switch.turn_off: out_y04

  - platform: gpio
    name: "KC868-A16-X05"
    pin:
      pcf8574: inputs_1_8
      number: 4
      mode: INPUT
      inverted: true
    on_press:
      then:
        - switch.turn_on: out_y05
    on_release:
      then:
        - switch.turn_off: out_y05

  - platform: gpio
    name: "KC868-A16-X06"
    pin:
      pcf8574: inputs_1_8
      number: 5
      mode: INPUT
      inverted: true
    on_press:
      then:
        - switch.turn_on: out_y06
    on_release:
      then:
        - switch.turn_off: out_y06

  - platform: gpio
    name: "KC868-A16-X07"
    pin:
      pcf8574: inputs_1_8
      number: 6
      mode: INPUT
      inverted: true
    on_press:
      then:
        - switch.turn_on: out_y07
    on_release:
      then:
        - switch.turn_off: out_y07

  - platform: gpio
    name: "KC868-A16-X08"
    pin:
      pcf8574: inputs_1_8
      number: 7
      mode: INPUT
      inverted: true
    on_press:
      then:
        - switch.turn_on: out_y08
    on_release:
      then:
        - switch.turn_off: out_y08

  - platform: gpio
    name: "KC868-A16-X09"
    pin:
      pcf8574: inputs_9_16
      number: 0
      mode: INPUT
      inverted: true
    on_press:
      then:
        - switch.turn_on: out_y09
    on_release:
      then:
        - switch.turn_off: out_y09

  - platform: gpio
    name: "KC868-A16-X10"
    pin:
      pcf8574: inputs_9_16
      number: 1
      mode: INPUT
      inverted: true
    on_press:
      then:
        - switch.turn_on: out_y10
    on_release:
      then:
        - switch.turn_off: out_y10

  - platform: gpio
    name: "KC868-A16-X11"
    pin:
      pcf8574: inputs_9_16
      number: 2
      mode: INPUT
      inverted: true
    on_press:
      then:
        - switch.turn_on: out_y11
    on_release:
      then:
        - switch.turn_off: out_y11

  - platform: gpio
    name: "KC868-A16-X12"
    pin:
      pcf8574: inputs_9_16
      number: 3
      mode: INPUT
      inverted: true
    on_press:
      then:
        - switch.turn_on: out_y12
    on_release:
      then:
        - switch.turn_off: out_y12

  - platform: gpio
    name: "KC868-A16-X13"
    pin:
      pcf8574: inputs_9_16
      number: 4
      mode: INPUT
      inverted: true
    on_press:
      then:
        - switch.turn_on: out_y13
    on_release:
      then:
        - switch.turn_off: out_y13

  - platform: gpio
    name: "KC868-A16-X14"
    pin:
      pcf8574: inputs_9_16
      number: 5
      mode: INPUT
      inverted: true
    on_press:
      then:
        - switch.turn_on: out_y14
    on_release:
      then:
        - switch.turn_off: out_y14

  - platform: gpio
    name: "KC868-A16-X15"
    pin:
      pcf8574: inputs_9_16
      number: 6
      mode: INPUT
      inverted: true
    on_press:
      then:
        - switch.turn_on: out_y15
    on_release:
      then:
        - switch.turn_off: out_y15

  - platform: gpio
    name: "KC868-A16-X16"
    pin:
      pcf8574: inputs_9_16
      number: 7
      mode: INPUT
      inverted: true
    on_press:
      then:
        - switch.turn_on: out_y16
    on_release:
      then:
        - switch.turn_off: out_y16

switch:
  - platform: gpio
    name: "KC868-A16-Y01"
    id: out_y01
    pin:
      pcf8574: outputs_1_8
      number: 0
      mode: OUTPUT
      inverted: true

  - platform: gpio
    name: "KC868-A16-Y02"
    id: out_y02
    pin:
      pcf8574: outputs_1_8
      number: 1
      mode: OUTPUT
      inverted: true

  - platform: gpio
    name: "KC868-A16-Y03"
    id: out_y03
    pin:
      pcf8574: outputs_1_8
      number: 2
      mode: OUTPUT
      inverted: true

  - platform: gpio
    name: "KC868-A16-Y04"
    id: out_y04
    pin:
      pcf8574: outputs_1_8
      number: 3
      mode: OUTPUT
      inverted: true

  - platform: gpio
    name: "KC868-A16-Y05"
    id: out_y05
    pin:
      pcf8574: outputs_1_8
      number: 4
      mode: OUTPUT
      inverted: true

  - platform: gpio
    name: "KC868-A16-Y06"
    id: out_y06
    pin:
      pcf8574: outputs_1_8
      number: 5
      mode: OUTPUT
      inverted: true

  - platform: gpio
    name: "KC868-A16-Y07"
    id: out_y07
    pin:
      pcf8574: outputs_1_8
      number: 6
      mode: OUTPUT
      inverted: true

  - platform: gpio
    name: "KC868-A16-Y08"
    id: out_y08
    pin:
      pcf8574: outputs_1_8
      number: 7
      mode: OUTPUT
      inverted: true

  - platform: gpio
    name: "KC868-A16-Y09"
    id: out_y09
    pin:
      pcf8574: outputs_9_16
      number: 0
      mode: OUTPUT
      inverted: true

  - platform: gpio
    name: "KC868-A16-Y10"
    id: out_y10
    pin:
      pcf8574: outputs_9_16
      number: 1
      mode: OUTPUT
      inverted: true

  - platform: gpio
    name: "KC868-A16-Y11"
    id: out_y11
    pin:
      pcf8574: outputs_9_16
      number: 2
      mode: OUTPUT
      inverted: true

  - platform: gpio
    name: "KC868-A16-Y12"
    id: out_y12
    pin:
      pcf8574: outputs_9_16
      number: 3
      mode: OUTPUT
      inverted: true

  - platform: gpio
    name: "KC868-A16-Y13"
    id: out_y13
    pin:
      pcf8574: outputs_9_16
      number: 4
      mode: OUTPUT
      inverted: true

  - platform: gpio
    name: "KC868-A16-Y14"
    id: out_y14
    pin:
      pcf8574: outputs_9_16
      number: 5
      mode: OUTPUT
      inverted: true

  - platform: gpio
    name: "KC868-A16-Y15"
    id: out_y15
    pin:
      pcf8574: outputs_9_16
      number: 6
      mode: OUTPUT
      inverted: true

  - platform: gpio
    name: "KC868-A16-Y16"
    id: out_y16
    pin:
      pcf8574: outputs_9_16
      number: 7
      mode: OUTPUT
      inverted: true


Thanks !



Attached Files Thumbnail(s)
   
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  "KCS" v3.19.1 firmware BIN file download
Posted by: admin - 01-22-2026, 03:10 AM - Forum: "KCS" v3 firmware - No Replies

v3.19.1 improvement:

Fixed PCF8574 driver issue for F4



Attached Files
.zip   KCS_B8M_V3.19.1.zip (Size: 1.14 MB / Downloads: 468)
.zip   KCS_B16_V3.19.1.zip (Size: 1.14 MB / Downloads: 403)
.zip   KCS_B16M_V3.19.1.zip (Size: 1.14 MB / Downloads: 395)
.zip   KCS_B24_V3.19.1.zip (Size: 1.14 MB / Downloads: 424)
.zip   KCS_B24M_V3.19.1.zip (Size: 1.14 MB / Downloads: 398)
.zip   KCS_B32M_V3.19.1.zip (Size: 1.14 MB / Downloads: 518)
.zip   KCS_DM16_V3.19.1.zip (Size: 1.11 MB / Downloads: 397)
.zip   KCS_F4_V3.19.1.zip (Size: 1.13 MB / Downloads: 438)
.zip   KCS_F8_V3.19.1.zip (Size: 1.13 MB / Downloads: 477)
.zip   KCS_F16_V3.19.1.zip (Size: 1.14 MB / Downloads: 473)
.zip   KCS_F24_V3.19.1.zip (Size: 1.14 MB / Downloads: 457)
.zip   KCS_F32_V3.19.1.zip (Size: 1.14 MB / Downloads: 437)
.zip   KCS_G1_V3.19.1.zip (Size: 1.1 MB / Downloads: 391)
.zip   KCS_KC_TA_V3.19.1.zip (Size: 1.09 MB / Downloads: 439)
.zip   KCS_N10_V3.19.1.zip (Size: 1 MB / Downloads: 426)
.zip   KCS_N20_V3.19.1.zip (Size: 1 MB / Downloads: 405)
.zip   KCS_N30_V3.19.1.zip (Size: 1 MB / Downloads: 357)
.zip   KCS_N60_V3.19.1.zip (Size: 1.02 MB / Downloads: 390)
.zip   KCS_A2V3_V3.19.1.zip (Size: 1.11 MB / Downloads: 448)
.zip   KCS_A6V3_V3.19.1.zip (Size: 1.08 MB / Downloads: 431)
.zip   KCS_A8V3_V3.19.1.zip (Size: 1.13 MB / Downloads: 450)
.zip   KCS_A16V3_V3.19.1.zip (Size: 1.15 MB / Downloads: 495)
.zip   KCS_A32PRO_V3.19.1.zip (Size: 1.11 MB / Downloads: 435)
.zip   KCS_AG8_V3.19.1.zip (Size: 1.09 MB / Downloads: 394)
.zip   KCS_AIO_HYBRID_V3.19.1.zip (Size: 1.32 MB / Downloads: 426)
.zip   KCS_ALR_V3.19.1.zip (Size: 1.08 MB / Downloads: 387)
.zip   KCS_B8_V3.19.1.zip (Size: 1.14 MB / Downloads: 393)
.zip   KCS_T16M_V3.19.1.zip (Size: 1.09 MB / Downloads: 371)
.zip   KCS_T32M_V3.19.1.zip (Size: 1.11 MB / Downloads: 407)
.zip   KCS_T64M_V3.19.1.zip (Size: 1.11 MB / Downloads: 429)
.zip   KCS_T128M_V3.19.1.zip (Size: 1.11 MB / Downloads: 372)
.zip   KCS_TR_V3.19.1.zip (Size: 1.06 MB / Downloads: 422)
.zip   KCS_Z1_V3.19.1.zip (Size: 1.24 MB / Downloads: 439)
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  Z1
Posted by: Borg357 - 01-20-2026, 12:50 AM - Forum: KC868-A16v3 - Replies (18)

Purchased a Kincony Z1 controller last week.

Located the newest firmware. v3.18.0

launched the flash download tool 3.9.2

Settings at esp32s3, usb

My com port is COM4.

open my firmware v3.18.0, all default settings.

I hit "START", and nothing..  ??

Is there a button that I have to hit on the Z1 unit?

Couldn't find the Z1 forum here, sorry if in wrong area.

Thank you, looking forward to this Z1 being added to my system.

-Richard

[Image: IMG_6927.JPG]

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  N31 energy value integer values
Posted by: np.nagypeter@gmail.com - 01-19-2026, 12:38 PM - Forum: N30 - Replies (1)

Dear Support Team,

I am writing to request technical assistance regarding the Kincony N30 power monitoring controller. I am currently using the device with ESPHome via the Modbus interface (reading the BL0910 chips).

While the device is functioning correctly in terms of connectivity, I have encountered a significant limitation regarding energy consumption data.

The Issue: The Modbus energy registers (e.g., addresses 140, 142, etc., for Chip 1) only return integer values. Even when the sensors are configured to display 3 or more decimal places in ESPHome, the
data received from the device is always a whole number (e.g., 0.000 kWh, 1.000 kWh).

Technical Details:
Device: Kincony N30 (ESP32-S3 with W5500 Ethernet).
Interface: Modbus RTU over UART.

Observations: The Voltage (V) and Power (W) registers provide high-resolution data with correct decimals. However, the Energy (kWh) registers do not seem to transmit fractional increments.

Log evidence: My logs confirm the device is sending states like 0.00000 kWh even when a load is active, and only jumps to the next whole number after a full kWh has been consumed.
Example log snippet: [sensor:135]: 'bl0910_1_energy_1': Sending state 0.00000 kWh with 3 decimals of accuracy

My Questions:
Does the current firmware of the Kincony N30 support fractional energy readings (e.g., Wh or 0.001 kWh increments) via Modbus? Is there a specific multiplier or a different register address I should use to obtain higher-resolution energy data? Is there a firmware update available that addresses this resolution limitation?

Thank you for your assistance!

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  smoke sensor user manual
Posted by: admin - 01-19-2026, 08:34 AM - Forum: Extender module - No Replies

smoke sensor user manual:
.pdf   smoke_sensor_user_manual.pdf (Size: 2.56 MB / Downloads: 410)

Print this item

  gas sensor user manual
Posted by: admin - 01-19-2026, 08:32 AM - Forum: Extender module - No Replies

wired gas sensor manual:
.pdf   gas-sensor-manual.pdf (Size: 1.84 MB / Downloads: 369)

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  Problem with KCS flash after use ESP Home
Posted by: tidek1507 - 01-18-2026, 12:11 AM - Forum: "KCS" v2 firmware system - Replies (4)

Hi

I have A32 PRO board. I used KCS firmware. i'm a beginner with Home assistant and ESP. Today i was trying to integrate this with Home Assistant. I used .yaml file by ESPHome builder in HA, but i didnt know that this erase KCS firmware. Now when i try to flash KCS board didnt response on this. After flash in console i see:

Uploading stub...
Running stub...
Stub running...

is stub and send flash finish


But board didnt work. When I flash .yaml for esp home board is connect with HA, but for now i need KCS firmware, i have to fast repair ligts control by switches, becouse my wife is mad now ;d. 

Can you help me?

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  Bulk IFTTT mapping
Posted by: npekpacHo - 01-17-2026, 07:15 PM - Forum: "KCS" v3 firmware - Replies (2)

[Image: ifttt_mass_mapper.png]

RU

Привет!
KCS в целом рабочая система, но настройка IFTTT через веб-интерфейс получается громоздкой, особенно когда нужно быстро и массово сопоставить входы и выходы (например DI1 → DO1 toggle и так далее).

Я сделал небольшое браузерное расширение (без Node-RED и без перепрошивок), которое добавляет на страницу /ifttt.html компактную панель для массовой настройки:

автоматическое определение DI/DO (из cookie Device, input_num / output_num)

Fill 1–16 / Fill 1–DOmax / Fill all (1–DImax)

массовое применение правил через POST /ifttt/save_channel

выбор триггера (single / double / hold / edges) и действия ON / OFF / TOGGLE

Скачать:
https://npekpacho.ru/downloads/kcs-mass-mapper-ext.zip

Было бы здорово увидеть официальный “bulk IFTTT mapper” прямо в KCS. Такая функция реально экономит время, а обещания «скоро добавим» длятся уже не первый год ?

EN

Hi!
KCS is a functional system, but the IFTTT web UI becomes quite heavy when you need fast bulk DI→DO mapping (for example DI1 → DO1 toggle for many channels).

I made a small browser extension (no Node-RED, no firmware changes) that adds a compact bulk-mapping panel to /ifttt.html:

automatic DI/DO detection (from the Device cookie: input_num / output_num)

Fill 1–16 / Fill 1–DOmax / Fill all (1–DImax)

bulk rule application via POST /ifttt/save_channel

trigger selection (single / double / hold / edges) and action ON / OFF / TOGGLE

Download:
https://npekpacho.ru/downloads/kcs-mass-mapper-ext.zip

It would be great to see an official “bulk IFTTT mapper” built directly into KCS. This kind of feature saves a lot of time, and the “coming soon” promise seems to be going on for years ?

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  E16P Case / Cover
Posted by: Sheep - 01-16-2026, 10:16 PM - Forum: KC868-E16S/E16P - Replies (1)

Am I missing something on the site - do you make a diver to go over the front of this like I have for my F16?  The F16 is a cracking product but I need a second and would prefer PoE if possible, but due to location it must have a cover. 

Thank you,

S.

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  B8M Schematic
Posted by: mikkojay - 01-15-2026, 06:41 PM - Forum: B8M - Replies (5)

Hello,

Is the schematic diagram available for the B8M?
I am specifically looking to see if the INT pin 1 of the PCF8575 is connected to anything.
I have used the PCF8575 IC in other applications, and prefer to use the interrupt when possible.

Thank You

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